freeze screen than crash

please tell me about crash and fix it…

  1. hi flare, i have freeze screen than crash when skip the farm bulding upgrade time use gem, the building not instanly finish upgrade but i lost my gem (900++)…

  2. when i play on ninja apocalypse island, i have freeze screen than crash for 3 times, n the game still count. so i lost my food and gem and (3 match)…

please tell me about that and go fix it…

thanks, my IGN Riezq